<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
  <div>
    <h1>BMI身体质量指数测试</h1>
    <input type="text" name="height" placeholder="请输入身高（米）" v-model="height">
    <input type="text" name="weight" placeholder="请输入体重（公斤）" v-model="weight">
    <input type="button" value="测试" @click="f()">
    <h3>结果：{{result}}</h3>
  </div>
</body>
<script src="https://cdn.bootcdn.net/ajax/libs/axios/0.21.1/axios.min.js"></script>
<script src="https://cdn.staticfile.org/vue/2.6.14/vue.min.js"></script>
<script>
  let v = new Vue({
    el:"body>div",
    data:{
      result: "",
      height: "",
      weight: ""
    },
    methods:{
      f() {
        axios.get("/bmi?height="+v.height+"&weight="+v.weight).then(function (response) {
          switch (response.data) {
            case 1:v.result = "兄弟你瘦了";break;
            case 2:v.result = "兄弟你健康了";break;
            case 3:v.result = "兄弟你微胖了";break;
            case 4:v.result = "兄弟你太胖了";break;
          }

        })
      }
    }
  })
</script>
</html>